Parts of a Triangle - Technical Graphics
Altitude or Height - The Altitude/height of a triangle is the length of a perpendicular from the apex the the base line. Apex - Once you have selected a base line for the triangle, the vertex
Geometrical triangle or arrow in three parts logo design
Triangles - Technical Graphics
Engineering Drawing Overview & Basic Components - WayKen
Ethiopia Learning - Technical Drawing grade 11 page 70 in English
What is an Isosceles Triangle?
What Is a Symmetrical Triangle Pattern? Definition and Trading
Principles of Dimensioning Engineering Design - McGill University
Set square - Wikipedia
Reuleaux triangle - Wikipedia
A-Triangles - Technical Graphics